How to use the night mode on Galaxy S9 and S9+ with Android Pie update?

In Android Pie update for Galaxy S9 and S9+, you can use the night mode on Galaxy S9 and S9+ to get the dark (black) theme at any time (not only in the night).

The night mode on Galaxy S9 and S9+ with Android Pie update is the combination of the dark theme and night mode. In the stock Android Pie, the settings of dark theme and night mode are independent of each other.

This Galaxy S9 Android Pie update guide explains the details of the night mode on Galaxy S9 and S9+ with Android Pie update, and how to use the night mode so that you can enjoy the phone in all situations.

In Android Pie, Google introduced a dark theme. But it does not apply to Settings or to most Google apps.

Besides, Android Pie also introduced the night mode in developer options. But it is independent of the theme settings if dark them is used already. You may refer to this guide on how to use the dark theme and night mode in stock Android Pie.

Instantly change the night mode settings in the developer options as “always-on” when you turn on night mode in Settings or quick settings. This is different from that in stock Android Pie. It is NOT necessary to turn on developer options to use the Galaxy S9 night mode.

Anyway, the night mode on Galaxy S9 and S9+ with Android Pie update is a combination of the dark theme and night mode.

How to enable and use the night mode on Galaxy S9 and S9+ with Android Pie update?

As mentioned earlier, the default theme on Galaxy S9 or S9+ is the light (white) theme.

You can enable the night mode on Galaxy S9 and S9+ with Android Pie update in two different ways: Using Galaxy S9 settings or using the quick setting buttons.

Method 1: Using Settings

In Galaxy S9 Settings, as shown in the screenshot below, tapDisplay to enter display settings.

In the Display settings page, as shown above, you can find the Night mode.

Tap the switch right to it to enable night mode.

Immediately, your Galaxy S9 9 or S9 plus will use the dark theme as shown below.

Of course, you can turn off night mode to switch back to the light (white) theme using the night mode switch.

As mentioned, not only Galaxy S9 home screen, apps screen, Settings, quick settings, notification panel, but also most Samsung apps will use the dark theme when you enable the night mode.

For example, as shown in the screenshot below, you can compare the Phone app in the default light theme and in the dark theme.

Method 2: Using quick setting buttons

After updating Galaxy S9 or S9+ to Android Pie, you can find the night mode button in the quick settings panel.

BTW, you can also find the navigation bar button next to it. You can use the navigation button to instantly turn on/off navigation gestures.

As explained in this guide, you can swipe down twice, or swipe down with 2 fingers, from the top of the screen (status bar) to access quick setting buttons.

As shown in the screenshot below, you can tap the night mode button to switch between the light and dark themes instantly.

Can I simultaneously use the blue light filter and the nigh mode on Galaxy S9 and S9+ with Android Pie update?

Yes, you can simultaneously use the blue light filter and the nigh mode on Galaxy S9 and S9+ with Android Pie update because the blue light filter and night mode work independently.

Besides, the blue light filter works on the “screen”. So, all apps are affected. But the night mode applies the dark theme to the system UI, and some Samsung apps.

Do you know how to use the night mode on Galaxy S9 and S9+ with Android Pie update? Can you turn on or turn off the night mode on Galaxy S9 and S9+ with Android Pie update?

If you have any questions on using the night mode on Galaxy S9 and S9+ with Android Pie update, please let us know them in the comment box below.

For official Samsung Galaxy S9 and S9+ user manuals in your language, you may check this page (if your Galaxy S9 or S(+ is running Android Oreo), or this page (if your Galaxy S9 and S9+ have got the Android Pie update).

Detailed how-to guides for new features of Android Pie update for Galaxy S9 and S9+ be found on this page.